Three syllables for 'Dick-son':
迪 (dí) covers 'Di-',
克 (kè, 'overcome') is the standard hard-k transliteration character,
森 (sēn, 'forest') gives the '-son' nasal ending.
克 +
森 is a common combination for English names ending in -kson/-cson (Jackson
杰克森, Erickson
埃里克森).